/*
 * Copyright (C) 2008 Pleyo.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 * 3.  Neither the name of Pleyo nor the names of
 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY PLEYO AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL PLEYO OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef SQLValue_h
#define SQLValue_h
/**
 *  @file  SQLValue.t
 *  SQLValue description
 *  Repository informations :
 * - $URL$
 * - $Rev$
 * - $Date$
 */
#include "BALBase.h"

#include "PlatformString.h"
#include <wtf/Threading.h>

namespace WebCore {

    class SQLValue : public WebCoreBase {
    public:
        enum Type { NullValue, NumberValue, StringValue };

    /**
     * Default constructor for SQLValue.
     * @code
     * @endcode
     */
        SQLValue();

    /**
     * Constructor for SQLValue.
     * @param[in] : a number.
     * @code
     * @endcode
     */
        SQLValue(double number);
    /**
     * Constructor for SQLValue.
     * @param[in] : a string.
     * @code
     * @endcode
     */
        SQLValue(const String& s);
    /**
     * Copy constructor for SQLValue.
     * @param[in] : another SQLValue.
     * @code
     * @endcode
     */
        SQLValue(const SQLValue&);

    /**
     *  Get the type.
     * @param[out] : a type which can be NullValue, NumberValue or StringValue.
     * @code
     * @endcode
     */
        Type type() const ;

    /**
     * Get a string.
     * @param[out] : return a copy of string member since ref-shared Strings are not thread safe.
     * @code
     * SQLValue value("foo");
     * if (value.type == StringValue)
     *     String s = value.string();
     * @endcode
     */
        String string() const;
    /**
     * Get a number.
     * @param[out] : a number.
     * @code
     * SQLValue value(3456);
     * if (value.type == NumberValue)
     *     double n = value.number();
     * @endcode
     */
        double number() const;

    private:
        Type m_type;
        double m_number;
        String m_string;
    };
};

#endif




